Sql Serial Data Type4/18/2021
June 3, 2020 at 5:50 am How to sort column VALUES in ASC order a column Reply.What is SQL 2. SQL Data Types 3.SQL Operators 4. SQL Logical Operators 5.
SQL Expressions 6. SQL Keywords 7. SQL Functions 8. SQL SELECT 9. SQL INSERT 10. SQL UPDATE 11. SQL DELETE 12. SQL WHERE 13. SQL DISTINCT 14. SQL ORDER BY 15. SQL LIKE 16. SQL IN, NOT IN 17. SQL NULL 18. SQL UNION 19. SQL INTERSECT 20. SQL EXCEPT 21. SQL COMMIT ROLLBACK 22. SQL Subquery 23. SQL BETWEEN 24. SQL SELECT INTO 25. SQL INSERT INTO 26. SQL LIMIT 27. SQL ALIAS 28. SQL CREATE DATABASE 29. SQL DROP Table 34. SQL ALTER Table 35. SQL TRUNCATE Table 36. PLSQL Interview Questions SQL Data Types define the type of value that can be stored in a table column. For example, if we want a column to store only integer values, then we can define its data type as int. Sql Serial Data Type Code Character AndTable of Contents 1 SQL Data Types 1.1 SQL Data Types important points 1.2 SQL Numeric Data Types 1.3 SQL Date and Time Data Types 1.4 SQL Character and String Data Types 1.5 SQL Unicode Character and String Data Types 1.6 SQL Binary Data Types 1.7 SQL Miscellaneous Data Types SQL Data Types SQL data types can be broadly divided into following categories. Numeric data types such as int, tinyint, bigint, float, real etc. Character and String data types such as char, varchar, text etc. Unicode character string data types, for example nchar, nvarchar, ntext etc. SQL Data Types important points Not all data types are supported by every relational database vendors. For example, Oracle database doesnt support DATETIME and MySQL doesnt support CLOB data type. So while designing database schema and writing sql queries, make sure to check if the data types are supported or not. Data types listed here doesnt include all the data types, these are the most popularly used data types. Some relational database vendors have their own data types that might be not listed here. For example, Microsoft SQL Server has money and smallmoney data types but since its not supported by other popular database vendors, its not listed here. Every relational database vendor has its own maximum size limit for different data types, you dont need to remember the limit. Idea is to have the knowledge of what data type to be used in a specific scenario. ![]() SQL Character and String Data Types Datatype Description CHAR Fixed length with maximum length of 8,000 characters VARCHAR Variable length storage with maximum length of 8,000 characters VARCHAR(max) Variable length storage with provided max characters, not supported in MySQL TEXT Variable length storage with maximum size of 2GB data Note that all the above data types are for character stream, they should not be used with unicode data. ![]() ![]() Reference: Oracle Database Data Types, mySQL Data Types Facebook Twitter WhatsApp Reddit LinkedIn Email. August 6, 2020 at 6:56 pm what is the data type for CSE5001 Reply.
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